P0411 is a general OBDII trouble code, which means that it has the same meaning for the Lexus IS 300 as it would any other car or truck. By definition, the code is letting you know that the ECM has detected incorrect flow in the secondary air injection system. P0411: Secondary Air Injection System → … Read more
P0421 is a relatively rare OBDII trouble code. It’s generic, which means it has the same definition for the Lexus IS 300 as it would any other vehicle. It is technically defined as “Warm Up Catalyst Efficiency → Below Threshold (Bank 1)”. In layman’s terms, it indicates that your Lexus IS 300’s catalytic converter is not scrubbing … Read more
P0506 is a common OBDII trouble code. It is typically triggered when the engine idle speed is lower than the predetermined limit set by the manufacturer. It is a generic code, which means that it has the same meaning for the Lexus IS 300 as it would any other vehicle. P0506 Symptoms: IS … Read more
One of the most common trouble codes with the Lexus IS 300 is the P0496 code. This code number references a number that is given to you when you plug your IS 300 into an OBDII scanner. Below, you’ll find the most common symptoms and ways to diagnose the P0496 in your Lexus IS 300. … Read more
P0500 is a OBDII trouble code that affects the Lexus IS 300‘s Vehicle Speed Sensor (VSS). The VSS sends a signal to the engine’s computer letting it know how fast that the vehicle is going. The IS 300 uses this signal for many vehicle functions. It helps control transmission shifts, ABS, cruise control, the … Read more
P0410 is a generic OBDII trouble code. This means that it has the same meaning for the Lexus IS 300 as it would any other vehicle. It is letting you know that there is an issue with the secondary air injection system. P0410: Secondary Air Injection System → Malfunction The secondary air injection system injects … Read more
The P0440 code is a common trouble code that many Lexus IS 300 owners may encounter. It indicates that there is an issue with the car’s Evaporative Emission Control (EVAP) system. Specifically, the EVAP system is malfunctioning. A variety of causes can trigger the P0440 code, with the most common one being a loose or … Read more
P0403 is a very common trouble code. It is a generic code, which means that it has the same meaning for the Lexus IS 300 as it would any other vehicle. It affects the EGR (Exhaust Gas Recirculation System and technically means: P0403: EGR→ Circuit Malfunction A circuit malfunction implies that there is a wiring … Read more
P0401 is a common OBDII trouble code that’ll pop up in the Lexus IS 300. It has to do with the emissions system and stands for: The EGR system on a vehicle is responsible for recirculating exhaust gasses in order to lower the vehicles emissions output. There are three main parts of the IS 300’s … Read more
One of the most common trouble codes with the Lexus IS 300 is P0171. It indicates that your Lexus IS 300 is running lean on the bank one side. It’s the most common air/fuel mixture-related code. It’s not the most complicated OBDII trouble code to diagnose. It is also one of the most common codes. … Read more